GO:1902742 apoptotic process involved in development: Developmental Apoptosis, Genes, Functions and Research Methods
Research-grade guide for scientists and biopharma professionals
Key Takeaways
• GO:1902742 (apoptotic process involved in development) describes any apoptotic process that contributes to anatomical structure development, as defined by QuickGO.
• Developmental apoptosis sculpts tissues and organs by removing surplus, misplaced, or transient cells during embryogenesis and organogenesis.
• Apoptotic cell clearance by phagocytes is an integral part of developmental apoptosis and prevents secondary necrosis and inflammation.
• Beyond apoptosis, other regulated cell death pathways operate in developing tissues such as the ovary, expanding the repertoire of developmental cell death.
• Dysregulation of developmental apoptosis is linked to cancer, where evasion of apoptosis is a hallmark, and to developmental disorders.
• CRISPR-based knockout, knock-in, and overexpression models enable causal testing of genes that execute or regulate developmental apoptosis.
Description
Apoptotic process involved in development (GO:1902742) is a Gene Ontology biological process term that captures apoptotic events whose primary role is to contribute to the development of anatomical structures. Unlike apoptosis triggered by acute stress or immune surveillance, developmental apoptosis is genetically programmed and temporally and spatially restricted to shape tissues, eliminate transient structures, and remove cells that are no longer needed. This term is essential for annotating gene products that function in embryonic morphogenesis, organogenesis, and tissue remodeling. Researchers studying development, regeneration, and cancer rely on GO:1902742 to distinguish apoptosis that is part of a developmental program from apoptosis that is a response to damage or disease [1,3]. The QuickGO definition states that it is any apoptotic process that is involved in anatomical structure development, encompassing signaling, execution, and clearance phases that are developmentally contextualized. Because apoptotic cell death is a fundamental cellular behavior, its developmental roles intersect with pathways of cell fate specification, differentiation, and tissue homeostasis [1,2]. Understanding the genes and mechanisms annotated to GO:1902742 provides a framework for dissecting how organisms build and refine their bodies, and how these processes go awry in disease.
apoptotic process involved in development At A Glance
| GO ID | GO:1902742 |
|---|---|
| GO term | apoptotic process involved in development |
| Ontology | biological_process |
| Synonym | apoptosis involved in anatomical structure development; apoptotic cell death involved in development of an anatomical structure; programmed cell death by apoptosis involved in anatomical structure development |
| Major function | Execution of apoptosis as part of anatomical structure development, including cell elimination and tissue sculpting |
| Definition source | QuickGO: Any apoptotic process that is involved in anatomical structure development. |
| Related processes | Apoptotic cell clearance, developmental cell death, tissue remodeling |
| Taxonomic scope | Metazoa and other eukaryotes with developmental apoptosis |
What Is GO:1902742?
GO:1902742, apoptotic process involved in development, is defined by QuickGO as any apoptotic process that is involved in anatomical structure development. In other words, it is the subset of programmed cell death by apoptosis that serves a developmental purpose, such as sculpting a tissue, deleting a transient embryonic structure, or removing cells that have completed their developmental role. The term is a biological process and includes synonyms such as apoptosis involved in anatomical structure development and apoptotic cell death involved in development of an anatomical structure. It does not describe a distinct molecular pathway but rather contextualizes canonical apoptotic machinery within developmental programs.
Why Is apoptotic process involved in development Important in Cell Biology?
GO:1902742 is important because it provides a controlled vocabulary for linking apoptotic machinery to developmental outcomes, enabling researchers to annotate and compare gene functions across species and experimental systems. Developmental apoptosis is essential for normal embryogenesis, organogenesis, and tissue homeostasis, and its dysregulation contributes to congenital malformations, cancer, and degenerative conditions [1,3]. By distinguishing developmental apoptosis from stress-induced apoptosis, the term supports precise functional genomics and helps identify therapeutic targets where reactivation or inhibition of apoptosis is desirable.
• Provides a standardized annotation for genes that execute apoptosis during development.
• Enables comparative studies of tissue sculpting across model organisms.
• Links apoptotic cell clearance to developmental remodeling and immune silence.
• Highlights non-apoptotic regulated cell death pathways that complement apoptosis in developing organs.
• Supports cancer research because evasion of apoptosis is a hallmark of tumorigenesis.
• Facilitates identification of SUMOylation and other post-translational regulators of apoptosis.
• Guides CRISPR screens for developmental lethality and morphogenesis defects.
• Informs regenerative medicine by revealing how cells are removed during tissue remodeling.
What Happens During apoptotic process involved in development?
Initiation and commitment to developmental apoptosis
In simple terms: Cells receive developmental signals that tell them to die at the right time and place.
Developmental apoptosis begins with cell-extrinsic or cell-intrinsic cues that commit specific cells to die. These cues include morphogen gradients, cell-cell contacts, and lineage-specific transcription factors that activate the core apoptotic program. In the developing organism, apoptosis is often triggered when cells fail to receive survival signals or when they receive death ligands. The commitment step involves activation of initiator caspases and mitochondrial outer membrane permeabilization, which are conserved features of apoptosis. This phase is tightly regulated so that only the correct cells are eliminated, and it is a key point of annotation for genes in GO:1902742.
Execution phase and caspase activation
In simple terms: Once committed, the cell dismantles itself through a cascade of proteases.
The execution phase is driven by effector caspases that cleave hundreds of substrates, leading to DNA fragmentation, membrane blebbing, and formation of apoptotic bodies. Mitochondrial apoptotic pathways release cytochrome c and other factors that activate caspases, and this pathway is central to developmental apoptosis in many tissues. The balance between pro- and anti-apoptotic BCL-2 family proteins determines whether a cell survives or dies, and this balance is often modulated during development. Nitric oxide and other signaling molecules can also influence caspase activity in a context-dependent manner.
Apoptotic cell clearance in developing tissues
In simple terms: Dying cells are quickly eaten by neighboring cells or professional phagocytes to keep tissues clean.
Apoptotic cell clearance is an active process that prevents secondary necrosis and inflammation. In development, clearance is performed by phagocytes and by neighboring cells, and it is essential for normal tissue remodeling. Clearance involves recognition of phosphatidylserine and other eat-me signals, followed by engulfment and lysosomal degradation. Defects in clearance can lead to autoimmunity and developmental abnormalities, underscoring the importance of this step in GO:1902742.
Regulation by post-translational modifications
In simple terms: Small chemical tags can switch apoptotic proteins on or off.
SUMO modification is a post-translational modification that regulates the stability, localization, and activity of many apoptotic proteins. SUMOylation can modulate both pro- and anti-apoptotic factors, thereby influencing developmental cell death decisions. This layer of regulation adds complexity to GO:1902742 and provides opportunities for therapeutic intervention.
Alternative regulated cell death pathways in development
In simple terms: Cells can also die by other programmed ways besides apoptosis.
While apoptosis is the most studied developmental cell death, other regulated cell death pathways such as necroptosis, pyroptosis, and ferroptosis can also operate in developing tissues. In the ovary, for example, evidence supports the involvement of non-apoptotic regulated cell death throughout development and adult life. These pathways may compensate when apoptosis is blocked, and their annotation helps complete the picture of developmental cell death.
Key Genes Involved in GO:1902742 apoptotic process involved in development
The following genes and proteins are representative of the molecular machinery and regulatory layers associated with apoptotic process involved in development (GO:1902742).
| Gene | Major Role | Research Relevance |
|---|---|---|
| TP53 | Induces apoptosis in response to developmental and stress signals | Central to p53-dependent developmental apoptosis and cancer |
| BAX | Pro-apoptotic BCL-2 family effector | Mediates mitochondrial outer membrane permeabilization in development |
| BCL2 | Anti-apoptotic BCL-2 family protein | Protects cells from developmental apoptosis; oncogene |
| CASP3 | Executioner caspase | Executes apoptosis in developing tissues |
| CASP9 | Initiator caspase in mitochondrial pathway | Activates downstream caspases during development |
| CASP8 | Initiator caspase in death receptor pathway | Links extrinsic signals to developmental apoptosis |
| CYCS | Cytochrome c, released from mitochondria | Activates apoptosome and caspases |
| APAF1 | Apoptosome scaffold | Required for caspase-9 activation in development |
| SUMO1 | SUMO modifier | Regulates apoptotic protein function via SUMOylation |
| UBC9 | SUMO-conjugating enzyme | Catalyzes SUMOylation of apoptotic regulators |
| NO | Nitric oxide signaling | Modulates apoptosis in leukemia and other contexts |
| TGFB1 | Cytokine that can induce apoptosis | Induces apoptosis in keratinocytes and other cells |
| VDR | Vitamin D receptor | Mediates 1,25-dihydroxyvitamin D3-induced apoptosis |
| HIV | Viral factor | Induces developmentally programmed cell death in model systems |
| MERTK | Phagocytic receptor | Mediates clearance of apoptotic cells in development |
| ELMO1 | Engulfment adaptor | Promotes apoptotic cell clearance |
| RAC1 | Small GTPase | Regulates cytoskeletal rearrangements during engulfment |
How Is apoptotic process involved in development Regulated?
Developmental apoptosis is regulated at multiple levels, including transcriptional control by p53 and other transcription factors, post-translational modification such as SUMOylation, and modulation by signaling molecules like nitric oxide [3,4,7]. The balance between pro- and anti-apoptotic BCL-2 family proteins is a key determinant of cell fate, and this balance is influenced by developmental cues. Clearance of apoptotic cells is also regulated to avoid inflammation, and defects in this regulation can lead to developmental abnormalities. Additionally, non-apoptotic regulated cell death pathways may be engaged when apoptosis is compromised, providing a layer of redundancy.
apoptotic process involved in development and Human Disease
| Gene | Disease / Biology | Potential Experimental Model |
|---|---|---|
| TP53 | Cancer, Li-Fraumeni syndrome | TP53 knockout and point-mutation cell lines |
| BCL2 | Lymphoma, apoptosis evasion | BCL2 overexpression and knockout models |
| CASP3 | Developmental apoptosis defects | CASP3 knockout zebrafish or mouse |
| MERTK | Autoimmunity, defective clearance | MERTK knockout macrophages |
| SUMO1 | Cancer, apoptosis regulation | SUMO1 knockout and knock-in cell lines |
Cancer and evasion of apoptosis
Cancer cells often evade apoptosis, and many oncogenes and tumor suppressors converge on the apoptotic machinery. Developmental apoptosis genes such as TP53 and BCL2 are frequently altered in human cancers, making GO:1902742 relevant to understanding tumorigenesis and therapy resistance. Reactivating developmental apoptosis pathways is a goal of targeted cancer therapies.
Developmental disorders and congenital malformations
Disruption of developmental apoptosis can cause congenital anomalies, such as syndactyly or cleft palate, due to failure to remove interdigital cells or sculpt facial structures. Although specific gene-disease links are beyond the scope of this article, the general principle is well established.
Ovarian biology and reproductive disorders
In the ovary, regulated cell death pathways including apoptosis and non-apoptotic forms contribute to follicle atresia and oocyte quality. Understanding these pathways is important for reproductive medicine and for interpreting ovarian toxicity.
Inflammatory and autoimmune conditions
Defective clearance of apoptotic cells can lead to secondary necrosis and autoimmunity. Developmental clearance mechanisms are therefore relevant to diseases such as systemic lupus erythematosus, where apoptotic debris accumulates.
From apoptotic process involved in development-Related Genes to Experimental Models
| Research Question | Suitable Model |
|---|---|
| Is gene X required for developmental apoptosis? | CRISPR knockout in cell line or model organism |
| Does a point mutation in gene X alter apoptotic susceptibility? | CRISPR point mutation knock-in |
| Does tagging gene X affect its localization during apoptosis? | Tagged knock-in (e.g., GFP) |
| Does overexpression of gene X protect from developmental apoptosis? | CRISPR overexpression (safe-harbor insertion) |
| Which genes are essential for apoptotic cell clearance? | Genome-wide CRISPR knockout library screening |
| What is the transcriptional response during developmental apoptosis? | RNA-seq after CRISPR perturbation |
How to Study the apoptotic process involved in development Process
| Method | What It Measures | Typical Application |
|---|---|---|
| Annexin V staining | Phosphatidylserine externalization | Detection of early apoptosis |
| Caspase-3 activity assay | Effector caspase activity | Quantification of apoptosis execution |
| TUNEL | DNA fragmentation | Detection of apoptotic cells in tissues |
| RNA-seq | Transcriptional changes | Identification of developmental apoptosis genes |
| Proteomics | Protein abundance and modifications | Discovery of SUMOylated apoptotic regulators |
| Live-cell imaging | Cell death dynamics and clearance | Real-time analysis of developmental apoptosis |
| CRISPR library screening | Gene essentiality | Genome-wide identification of apoptosis regulators |
CRISPR knockout and point mutation
CRISPR-Cas9 knockout is widely used to test whether a gene is required for developmental apoptosis. Point mutations can be introduced to dissect specific domains or phosphorylation sites. These approaches are complemented by rescue experiments to confirm specificity.
Apoptosis assays
Apoptosis can be measured by annexin V staining, caspase activity assays, TUNEL, and detection of cleaved caspase-3. These assays are used to quantify developmental apoptosis in cells and tissues.
Transcriptomics and proteomics
RNA-seq and proteomics can identify genes and proteins differentially expressed during developmental apoptosis. SUMOylation can be studied by immunoprecipitation and mass spectrometry.
Imaging and clearance assays
Live-cell imaging and phagocytosis assays are used to study apoptotic cell clearance. Fluorescently labeled apoptotic cells can be fed to phagocytes to measure engulfment efficiency.
How CRISPR Can Be Used to Study GO:1902742 apoptotic process involved in development
Knockout
CRISPR knockout is used to delete candidate genes and assess their requirement for developmental apoptosis. For example, knocking out BAX or CASP3 can block apoptosis in developmental models.
Point Mutation
Point mutations can be introduced to mimic disease-associated variants or to abrogate specific post-translational modification sites, such as SUMOylation sites, to study their role in apoptosis.
Knock-in
Knock-in of reporter tags or conditional alleles allows visualization and temporal control of apoptotic genes during development.
Overexpression
Overexpression of anti-apoptotic genes such as BCL2 can protect cells from developmental apoptosis, while overexpression of pro-apoptotic genes can induce ectopic cell death.
How EDITGENE Supports apoptotic process involved in development Research
Researchers studying apoptotic process involved in development-related genes often need to determine whether a candidate gene is causally involved in developmental apoptosis or is merely a bystander. EDITGENE provides a comprehensive suite of CRISPR services to enable such causal studies, from knockout to precise point mutations and overexpression, along with library screening and bioinformatics support.
Contact EDITGENE today to design your custom CRISPR model for apoptotic process involved in development research.
Frequently Asked Questions About apoptotic process involved in development
What is GO:1902742 apoptotic process involved in development?
GO:1902742 is a Gene Ontology biological process term defined as any apoptotic process that is involved in anatomical structure development, according to QuickGO.
What genes are involved in apoptotic process involved in development?
Key genes include TP53, BAX, BCL2, CASP3, CASP8, CASP9, APAF1, and CYCS, as well as regulators like SUMO1 and UBC9 [3,4,8].
How is developmental apoptosis different from stress-induced apoptosis?
Developmental apoptosis is genetically programmed and spatially/temporally regulated during development, whereas stress-induced apoptosis occurs in response to damage.
Why is apoptotic cell clearance important in development?
Clearance prevents secondary necrosis and inflammation, and it is essential for tissue remodeling during development.
What diseases are associated with defects in developmental apoptosis?
Defects can lead to congenital malformations, cancer, autoimmune conditions, and reproductive disorders [1,2,3].
What methods are used to study apoptotic process involved in development?
Common methods include annexin V staining, caspase activity assays, TUNEL, RNA-seq, proteomics, and CRISPR screens [1,8].
Can CRISPR be used to study developmental apoptosis?
Yes, CRISPR knockout, point mutation, knock-in, and overexpression models are powerful tools to dissect gene function in developmental apoptosis.
What is the role of SUMOylation in apoptosis?
SUMOylation regulates the stability, localization, and activity of apoptotic proteins, influencing cell death decisions.
Are there non-apoptotic cell death pathways in development?
Yes, regulated cell death pathways such as necroptosis and ferroptosis can also operate in developing tissues, as seen in the ovary.
How can I model apoptotic process involved in development in the lab?
You can use CRISPR-edited cell lines or model organisms, combined with apoptosis assays and omics approaches, to study this process [1,3,8].
Conclusion
GO:1902742 apoptotic process involved in development provides a precise ontological framework for studying how programmed cell death shapes organisms. By integrating QuickGO definitions with experimental evidence from apoptosis research, researchers can annotate genes, design CRISPR experiments, and uncover mechanisms relevant to development and disease. EDITGENE offers the tools and expertise to accelerate these discoveries.
References
- 1. Shklover J et al.. 2015. Apoptotic Cell Clearance in Development.. Curr Top Dev Biol 114:297-334 PMID: 26431572
- 2. Stringer JM et al.. 2023. Beyond apoptosis: evidence of other regulated cell death pathways in the ovary throughout development and life.. Hum Reprod Update 29(4):434-456 PMID: 36857094
- 3. Chaudhry GE et al.. 2022. Cancer and Apoptosis.. Methods Mol Biol 2543:191-210 PMID: 36087269
- 4. Li P et al.. 2021. SUMO modification in apoptosis.. J Mol Histol 52(1):1-10 PMID: 33225418
- 5. Benassi L et al.. 1997. 1,25-dihydroxyvitamin D3, transforming growth factor beta1, calcium, and ultraviolet B radiation induce apoptosis in cultured human keratinocytes.. J Invest Dermatol 109(3):276-82 PMID: 9284090
- 6. Sadaie MR et al.. 1994. Induction of developmentally programmed cell death and activation of HIV by sodium butyrate.. Virology 202(1):513-8 PMID: 8009866
- 7. Kolb JP. 2000. Mechanisms involved in the pro- and anti-apoptotic role of NO in human leukemia.. Leukemia 14(9):1685-94 PMID: 10995017
- 8. Mohamad N et al.. 2005. Mitochondrial apoptotic pathways.. Biocell 29(2):149-61 PMID: 16187493
